[#1102]

src/client/inc/tsclient.h

@@ -239,6 +239,7 @@ typedef struct STableDataBlocks {
 
   int32_t  rowSize;       // row size for current table
   uint32_t nAllocSize;
+  uint32_t headerSize;    // header for metadata (submit metadata)
   uint32_t size;
   
   /*

src/client/src/tscParseInsert.c

@@ -579,6 +579,7 @@ int32_t tscAllocateMemIfNeed(STableDataBlocks *pDataBlock, int32_t rowSize, int3
   size_t    remain = pDataBlock->nAllocSize - pDataBlock->size;
   const int factor = 5;
   uint32_t nAllocSizeOld = pDataBlock->nAllocSize;
+  assert(pDataBlock->headerSize >= 0);
   
   // expand the allocated size
   if (remain < rowSize * factor) {
@@ -595,12 +596,12 @@ int32_t tscAllocateMemIfNeed(STableDataBlocks *pDataBlock, int32_t rowSize, int3
       //assert(false);
       // do nothing
       pDataBlock->nAllocSize = nAllocSizeOld;
-      *numOfRows = (int32_t)(pDataBlock->nAllocSize) / rowSize;
+      *numOfRows = (int32_t)(pDataBlock->nAllocSize - pDataBlock->headerSize) / rowSize;
       return TSDB_CODE_CLI_OUT_OF_MEMORY;
     }
   }
 
-  *numOfRows = (int32_t)(pDataBlock->nAllocSize) / rowSize;
+  *numOfRows = (int32_t)(pDataBlock->nAllocSize - pDataBlock->headerSize) / rowSize;
   return TSDB_CODE_SUCCESS;
 }
 

src/client/src/tscUtil.c

@@ -598,6 +598,7 @@ int32_t tscCreateDataBlock(size_t initialSize, int32_t rowSize, int32_t startOff
   }
 
   dataBuf->nAllocSize = (uint32_t)initialSize;
+  dataBuf->headerSize = startOffset; // the header size will always be the startOffset value, reserved for the subumit block header
   dataBuf->pData = calloc(1, dataBuf->nAllocSize);
   dataBuf->ordered = true;
   dataBuf->prevTS = INT64_MIN;